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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

Montgomery County Municipal Utility District 16 White Oak Plant

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND20ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-25AC61182ND
2015-07-16AC99891ND
2015-07-16AC99982ND
2016-09-28AD51866ND
2017-07-13AD89277ND
2018-08-31AE39178ND
2018-08-31AE39134ND
2019-09-17AE83791ND